PreBarrage: disable "results" link when no result

src/app/components/generic-calculator/calculator.component.html

@@ -47,7 +47,7 @@
                 <a (click)="showPBInputData = true;">{{ uitextInputData }}</a>
             </div>
             <div class="drs-item" [class.current]="! showPBInputData">
-                <a (click)="showPBInputData = false;">{{ uitextResults }}</a>
+                <a (click)="! pbShowResultsDisabled && showPBInputData = false;">{{ uitextResults }}</a>
             </div>
         </div>
     </div>

src/app/components/generic-calculator/calculator.component.ts

@@ -19,6 +19,7 @@ import {
     Par,
     ParSimulationParams,
     ParSimulation,
+    PreBarrage,
     Espece,
     VariatedDetails
 } from "jalhyd";
@@ -562,6 +563,12 @@ export class GenericCalculatorComponent implements OnInit, DoCheck, AfterViewChe
         (this._formulaire as FormulairePrebarrage).nodeSelected(event.node);
     }
 
+    /** True if PreBarrage Nub has no results */
+    public get pbShowResultsDisabled(): boolean {
+        const res = ((this._formulaire as FormulairePrebarrage).currentNub as PreBarrage).result;
+        return res === undefined;
+    }
+
     public openHelp() {
         window.open("assets/docs/" + this.appSetupService.language + "/calculators/" + this._formulaire.helpLink, "_blank");
     }